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  3. X9.1 vs SJ8 Plus

Lamax X9.1 vs SJCAM SJ8 Plus

What X9.1 does better (2) and where SJ8 Plus wins (4) — every spec side by side.

Lamax X9.1
Lamax · 2019X9.1
4.8Score
2 advantages≈ $180
vs
SJCAM SJ8 Plus
SJCAM · 2021SJ8 Plus
5.6Score
4 advantages≈ $240
Higher score
5.5Video5.8
4.2Ruggedness4.2
4.8Battery5.3
Dimensions

Size comparison

X9.1SJ8 Plus
60 × 443362.5 × 4128.8
X9.1SJ8 PlusDifference
Height44 mm41 mm+3 mm
Width60 mm62.5 mm−2.5 mm
Depth33 mm28.8 mm+4.2 mm
Weight72 g85 g−13 g

Drawn to the same scale from the official dimensions (front and side).

Why is X9.1 better than SJ8 Plus?

  1. Weight72 g vs 85 g+18%
  2. Waterproof with housing40 m vs 30 m+33%

Why is SJ8 Plus better than X9.1?

  1. Max frame rate (slow motion)120 fps vs 240 fps2×
  2. Main screen size2″ vs 2.3″+15%
  3. Battery capacity1,050 mAh vs 1,200 mAh+14%
  4. Depth33 mm vs 28.8 mm+15%
Specifications

Side by side

Lamax X9.1Lamax X9.1≈ $1804.8
SJCAM SJ8 PlusSJCAM SJ8 Plus≈ $2405.6
Design & durability
Weight72 g85 g
Width60 mm62.5 mm
Height44 mm41 mm
Depth33 mm28.8 mm
Waterproof without case0 m0 m
Waterproof with housing40 m30 m
Video
Max video resolution4K4K
4K frame rate (max)30 fps30 fps
Max frame rate (slow motion)120 fps240 fps
HDR videoYes—
H.265 / HEVCYesYes
Timelapse / hyperlapseYes—
Sensor & photo
Photo resolution12 MP12 MP
RAW photos—Yes
Stabilisation
Stabilisation systemOptischer Bildstabilisator (OIS)Elektronischer Bildstabilisator (EIS)
Electronic image stabilisationYesYes
Screens
Front screen—Yes
Main screen size2″2.3″
Touchscreen—Yes
Battery
Battery capacity1,050 mAh1,200 mAh
Battery life (recording)90 min90 min
Connectivity
Wi-FiYesYes
Storage & features
microSD card slotYesYes
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